Wolfram Urbanek

Title: Wolfram Urbanek: Innovator in Light Emitting Diodes

Introduction

Wolfram Urbanek is a notable inventor based in San Jose, CA, who has made significant contributions to the field of light emitting diodes (LEDs). With a total of four patents to his name, Urbanek has focused on advancing the technology behind white light emission and improving the efficiency of gallium nitride (GaN) materials.

Latest Patents

Urbanek's latest patents include innovative methods for fabricating LEDs that radiate white spectrum light. One of his key inventions involves a method for depositing a phosphor that emits white light after being excited by blue or ultraviolet light onto a GaN epitaxial wafer. This process allows for wafer-level processing and probing of white LEDs, resulting in the production of true white LED chips. Additionally, he has developed methods for enhancing thermal dissipation in large GaN LEDs by replacing sapphire substrates with better thermal conductors. His work also includes techniques for achieving reliable temporary bonds between GaN layers and support wafers, as well as methods for transferring epitaxial films using excimer lasers.

Career Highlights

Throughout his career, Urbanek has worked with several companies, including Allegis Technologies, Inc. and Oriol Inc. His experience in these organizations has contributed to his expertise in LED technology and materials science.

Collaborations

Urbanek has collaborated with notable professionals in the field, including Geun-Young Yeom and Myung Cheol Yoo. These partnerships have likely enriched his research and development efforts.

Conclusion

Wolfram Urbanek's contributions to the field of light emitting diodes and gallium nitride technology have positioned him as a key innovator in the industry. His patents reflect a commitment to enhancing LED efficiency and performance, paving the way for future advancements in lighting technology.